Method of manufacture of sound box of stringed instruments, part

Details Method of manufacture of sound box of stringed instruments, part Method of manufacture of sound box of stringed instruments, part

1981-01-30

1983-02-15

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

84275, 269266, 269287, G10D 102, B32B 3100

Patent

active

043739806

ABSTRACT:
Method of manufacture of sound box stringed instruments, particularly violins, wherein a state of stress is produced in the arc-shaped sound box by providing a curvature opposite to that produced by the stretched strings, the side rim is elastically bent, suitable battens are cemented on to preliminarily bent sides, the side rim is bent to the final shape and cemented to the arc-shaped top plate with the arc-shaped bass beam cemented into it in a traditional way and the said sound box is closed by an arc-shaped bottom plate.
The device for shaping the side rim consists of an oval ring (1) with at least four holes (2) situated in the axis of the said ring (1). The device is preferably provided with at least four threaded sleeves (3) to receive set screws (4), (5) and adjusting screws (6) at the point of the holes (2).

REFERENCES:
patent: 1945043 (1934-01-01), Jaffe
patent: 1992717 (1935-02-01), Proctor
patent: 2800867 (1957-07-01), Smith
Hutchins, The Physics of Violins, Scientific America, Nov. 1962.

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